1 /* 2 * Copyright 2020 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "pciaccess.hpp" 18 19 #include <cstdio> 20 #include <cstring> 21 #include <system_error> 22 23 namespace host_tool 24 { 25 26 struct pci_device_iterator* PciAccessImpl::pci_id_match_iterator_create( 27 const struct pci_id_match* match) const 28 { 29 return ::pci_id_match_iterator_create(match); 30 } 31 32 void PciAccessImpl::pci_iterator_destroy(struct pci_device_iterator* iter) const 33 { 34 return ::pci_iterator_destroy(iter); 35 } 36 37 void PciAccessImpl::pci_device_enable(struct pci_device* dev) const 38 { 39 return ::pci_device_enable(dev); 40 } 41 42 struct pci_device* 43 PciAccessImpl::pci_device_next(struct pci_device_iterator* iter) const 44 { 45 return ::pci_device_next(iter); 46 } 47 48 int PciAccessImpl::pci_device_probe(struct pci_device* dev) const 49 { 50 return ::pci_device_probe(dev); 51 } 52 53 int PciAccessImpl::pci_device_cfg_read_u8(struct pci_device* dev, 54 std::uint8_t* data, 55 pciaddr_t offset) const 56 { 57 return ::pci_device_cfg_read_u8(dev, data, offset); 58 } 59 60 int PciAccessImpl::pci_device_cfg_write_u8(struct pci_device* dev, 61 std::uint8_t data, 62 pciaddr_t offset) const 63 { 64 return ::pci_device_cfg_write_u8(dev, data, offset); 65 } 66 67 int PciAccessImpl::pci_device_map_range(struct pci_device* dev, pciaddr_t base, 68 pciaddr_t size, unsigned map_flags, 69 void** addr) const 70 { 71 return ::pci_device_map_range(dev, base, size, map_flags, addr); 72 } 73 74 int PciAccessImpl::pci_device_unmap_range(struct pci_device* dev, void* memory, 75 pciaddr_t size) const 76 { 77 return ::pci_device_unmap_range(dev, memory, size); 78 } 79 80 PciAccessImpl::PciAccessImpl() 81 { 82 int ret = ::pci_system_init(); 83 if (ret) 84 { 85 throw std::system_error(ret, std::generic_category(), 86 "Error setting up libpciaccess"); 87 } 88 } 89 90 PciAccessImpl::~PciAccessImpl() 91 { 92 ::pci_system_cleanup(); 93 } 94 95 } // namespace host_tool 96